Washington. The risk of anorexia nervosa may be genetic. This discovery is the result of an international genomic study – the largest so far – published in the American Journal of Psychiatry authored by Benedetta Nacmias, Sandro Sorbi, and Valdo Ricca from the Department of Neuroscience, Psychology, Area of Drug, and Child Health (NEUROFARBA) of the University of Florence. (9Colonne)